This is an experimental exploratory study. It included 17 patients. The patients were diagnosed with photoaging grades III and IV in the scale of Glogau and volunteered to participate in the study. Patients were treated with imiquimod 5% topically, for a time period of 12 weeks. Biopsies were taken from periorbital skin area at baseline and after 4 weeks after completing the treatment. Adverse effects, adherence to therapy and patients' satisfaction were measured.